package com.xuecheng.base.exception;

import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;

import java.util.ArrayList;
import java.util.List;

/**
 * @description 全局异常处理器
 * @version 1.0
 */
@Slf4j
@ControllerAdvice
public class GlobalExceptionHandler {

   @ResponseBody
   @ExceptionHandler(XueChengPlusException.class)
   @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
   public RestErrorResponse customException(XueChengPlusException e) {
      log.error("【系统异常】{}",e.getErrMessage(),e);
      return new RestErrorResponse(e.getErrMessage());

   }

   @ResponseBody
   @ExceptionHandler(Exception.class)
   @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
   public RestErrorResponse exception(Exception e) {

      log.error("【系统异常】{}",e.getMessage(),e);

      return new RestErrorResponse(CommonError.UNKOWN_ERROR.getErrMessage());

   }
   //MethodArgumentNotValidException

   @ResponseBody
   @ExceptionHandler(MethodArgumentNotValidException.class)
   @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
   public RestErrorResponse methodArgumentNotValidException(MethodArgumentNotValidException e) {


      BindingResult bindingResult = e.getBindingResult();
      String errMessage = "";
      for (FieldError item : bindingResult.getFieldErrors()){
         errMessage = errMessage +","+ item.getDefaultMessage();
      }
//      bindingResult.getFieldErrors().stream().forEach(item->{
//         errMessage = item.getDefaultMessage();
//      });
      log.error("【系统异常】{}",e.getMessage(),errMessage);
      return new RestErrorResponse(errMessage);
   }
}
